Prototype Angle-Domain Repetitive Control-Affine Parameterization Approach

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Angle-domain repetitive disturbances refer to disturbances that are periodic in a generic angle variable which is monotonically increasing with time but not uniformly. This paper extends the classical prototype repetitive control methodology for time periodic disturbances to this situation. Instead of using an internal model approach to derive the control, an affine parameterization approach is adopted which reduces the control design methodology to one of estimating and canceling the disturbance. While the resulting control architectures are similar to the classical time-domain periodic case, the stability conditions are different and depend on the choice of signal norm. This necessitates an alternate compensator design approach for the nonminimum phase terms. Robust stability is also considered in the L2 setting and an affine Q-filter concept is introduced to achieve robust stability.

Original languageEnglish (US)
Article number121009
JournalJournal of Dynamic Systems, Measurement and Control, Transactions of the ASME
Issue number12
StatePublished - Dec 1 2015

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Copyright © 2015 by ASME.


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